AND NEIGHBOURHOOD. 233 



of millstone grit, before mentioned, was found 

 embedded. About three feet under this stone, 

 the bed of silt exhibited a bend, as shown in 

 Fig. 5, just as if the stone had fallen from above, 

 and thus caused the curvature of the silt. 



Fig. 5. 



A— A Block of Stone. 



B— A Bed of fine laminated Silt. 



c— Homogeneous Till. 



Probably this one fact is not of itself sufficient 

 to show that the stone had been precipitated from 

 a melted iceberg, but, by careful examination of 

 the deposit in other places, more examples of this 

 character may, perhaps, be found to confirm it. 



Many of the scored and polished rocks may owe 

 their marked characters to the grinding and crush- 

 ing effects of floating fields of ice, which would 

 cause nearly similar appearances on rocks to those 

 produced by the motion of glaciers. On the ele- 

 n h 



